Floor construction compartment for building site, has threaded and adjusting threaded holes on two sides of chamber such that lower panel is engaged in bolt, and adjusting screw adjusting floor to appropriate height

摘要

The compartment has an upper groove (21,21) and a lower groove (22,22) are situated respectively on two sides of a floor panel. A threaded hole and an adjusting threaded hole are arranged on two sides of a chamber (20,20) in a manner that a lower panel on the ground is engaged in a bolt. An adjusting screw (37,37) adjusts the floor to an appropriate height.